Named tuples with the readonly modifier in TypeScript combine immutability and semantic meaning for array structures. While const assertions provide immutability but lose context, and regular tuples offer structure without preventing mutations, readonly named tuples deliver both type safety and self-documenting code. The
Table of contents
ContentsStarting Simple: Basic ArraysAdding Structure: TuplesAdding Context: Named TuplesThe Immutability ProblemImmutability with Named TuplesSort: